US1626307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sucker rod and lock
Assignee: SULLINS
•
Filing: 1925-04-18
•
Granted: 1927-04-26
•
Expires: 1945-04-18
Abstract
No abstract record available.
Inventors
- 👤 Harold L Sullins
- 👤 John E Mustain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:21
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B53/144; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042; E21B17/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-04-25 | 1930-10-25 | 1931-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-25 | 1934-10-25 | 1935-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-25 | 1938-10-25 | 1939-04-26 | $7700.00 | Window Closed / Lapsed |